Application of Liquid Metal Electrodes in Electrochemical Energy Storage

Jisheng, Peng; Li, Hong; Chen, Liquan; Wu, Fan

doi:10.1021/prechem.3c00030

Cited by 5 publications

References 61 publications

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The Liquid Metal Age: A Transition From Hg to Ga

Handschuh‐Wang,

Wang,

Gancarz

et al. 2024

Advanced Materials

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This review offers an illuminating journey through the historical evolution and modern‐day applications of liquid metals, presenting a comprehensive view of their significance in diverse fields. Tracing the trajectory from mercury applications to contemporary innovations, the paper explores their pivotal role in industry and research. The analysis spans electrical switches, mechanical applications, electrodes, chemical synthesis, energy storage, thermal transport, electronics, and biomedicine. Each section examines the intricacies of liquid metal integration, elucidating their contributions to technological advancements and societal progress. Moreover, the review critically appraises the challenges and prospects inherent in liquid metal applications, addressing issues of recycling, corrosion management, device stability, economic feasibility, translational hurdles, and market dynamics. By delving into these complexities, the paper advances scholarly understanding and offers actionable insights for researchers, engineers, and policymakers. It aims to catalyze innovation, foster interdisciplinary collaboration, and promote liquid metal‐enabled solutions for societal needs. Through its comprehensive analysis and forward‐looking perspective, this review serves as a guide for navigating the landscape of liquid metal applications, bridging historical legacies with contemporary challenges, and highlighting the transformative potential of liquid metals in shaping future technologies.

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The Liquid Metal Age: A Transition From Hg to Ga

Handschuh‐Wang,

Wang,

Gancarz

et al. 2024

Advanced Materials

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Balancing Potassiophilicity and Catalytic Activity of Artificial Interface Layer for Dendrite‐Free Sodium/Potassium Metal Batteries

Deng,

Yu,

Yang

et al. 2024

Advanced Materials

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Potassium metal batteries (PMBs), with high energy density and low cost, are considered a promising option for grid‐scale energy storage systems. However, challenges such as the uneven nucleation of K and instability of the solid electrolyte interphase (SEI) layer result in dendrite growth and poor cyclic performance, limiting practical application. To address them, constructing an artificial interface layer with rich defects can enhance the potassium affinity and promote the uniform nucleation of potassium, yet this can also catalyze electrolyte to decompose, leading to unstable SEI formation and poor cycle stability. Herein, a carbon layer with a locally ordered structure (SC‐1600) is constructed as the artificial interface to achieve a balance between K affinity and catalytic activity. This optimized design allows for the uniform nucleation of potassium metal and the formation of a dense SEI layer. SC‐1600@K symmetric cell can operate for 2000 h at 0.5 mA cm−2 with a capacity of 0.5 mAh cm−2, and the developed full cell shows a high capacity retention of 78% after 1500 cycles at 1 A g−1. Besides, SC‐1600@Na effectively extend the life of sodium metal batteries. This work provides a new insight for the construction of efficient K metal artificial interface layer.

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